microbeam

noun

mi·​cro·​beam ˈmī-krō-ˌbēm How to pronounce microbeam (audio)
: a beam of radiation of small cross section
a focused laser microbeam
a microbeam of electrons

Examples of microbeam in a Sentence

Recent Examples on the Web Gröblacher and his colleagues created microbeams of silicon, each 10 micrometers long and 1 by 0.25 micrometers in cross-section. Quanta Magazine, 25 June 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microbeam.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of microbeam was in 1950

Dictionary Entries Near microbeam

Cite this Entry

“Microbeam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbeam. Accessed 29 Mar. 2024.

Medical Definition

microbeam

noun
mi·​cro·​beam ˈmī-krō-ˌbēm How to pronounce microbeam (audio)
: a beam of radiation of small cross section
a laser microbeam
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!